Japan: 'Black Widow' Chisako Kakehi charged over husband poisoning

Japanese prosecutors have charged an elderly millionaire with murder after she was accused of poisoning her fourth husband.

Chisako Kakehi, 68, was dubbed the "black widow" by local media, after toxic cyanide was found in the body of her last husband, Isao Kakehi, 75. It later emerged that another six of her partners had died in mysterious circumstances.